Fatal error: Uncaught Error: Failed opening required '/var/www/zapf-neu/htdocs/website/vendor/composer/../symfony/polyfill-php80/bootstrap.php' (include_path='/var/www/zapf-neu/htdocs/website/vendor/pear/pear_exception:/var/www/zapf-neu/htdocs/website/vendor/pear/console_getopt:/var/www/zapf-neu/htdocs/website/vendor/pear/pear-core-minimal/src:/var/www/zapf-neu/htdocs/website/vendor/pear/archive_tar:.:/opt/php-8.1/lib/php') in /var/www/zapf-neu/htdocs/website/vendor/composer/autoload_real.php:80 Stack trace: #0 /var/www/zapf-neu/htdocs/website/vendor/composer/autoload_real.php(63): composerRequire2f51166ef390d654893003fe0afecda8('a4a119a56e50fbb...', '/var/www/zapf-n...') #1 /var/www/zapf-neu/htdocs/website/vendor/autoload.php(7): ComposerAutoloaderInit2f51166ef390d654893003fe0afecda8::getLoader() #2 /var/www/zapf-neu/htdocs/website/docroot/autoload.php(16): require('/var/www/zapf-n...') #3 /var/www/zapf-neu/htdocs/website/docroot/index.php(14): require_once('/var/www/zapf-n...') #4 {main} thrown in /var/www/zapf-neu/htdocs/website/vendor/composer/autoload_real.php on line 80